List of fetchNotifications() Examples

Examples of fetchNotifications()

com.sun.jmx.remote.internal.NotificationBuffer.fetchNotifications()

Fetch notifications that match the given listeners.

The operation only considers notifications with a sequence number at least startSequenceNumber. It will take no longer than timeout, and will return no more than maxNotifications different notifications.

If there are no notifications matching the criteria, the operation will block until one arrives, subject to the timeout.
@param filter an object that will add notifications to a{@code List} if they match the currentlisteners with their filters. @param startSequenceNumber the first sequence number toconsider. @param timeout the maximum time to wait. May be 0 to indicatenot to wait if there are no notifications. @param maxNotifications the maximum number of notifications toreturn. May be 0 to indicate a wait for eligible notifications that will return a usable nextSequenceNumber. The {@link TargetedNotification} array in the returned {@link NotificationResult} may contain more than this number ofelements but will not contain more than this number of different notifications.
mx4j.remote.DefaultRemoteNotificationServerHandler.fetchNotifications()
mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()
Fetches notifications from the notification buffer in order to send them to the client side @throws IOException If this handler has already been closed

Examples of mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()


      // Add notifications
      for (int i = 0; i < count; ++i) listener.handleNotification(notification, listenerID);


      // Fetch again: this call triggers purge of old notifications, which changes the earliest sequence number
      result = handler.fetchNotifications(result.getNextSequenceNumber(), count + 1, 100);
      assertEquals(result.getEarliestSequenceNumber(), 0);
      assertEquals(result.getNextSequenceNumber(), count + count);
      assertNotNull(result.getTargetedNotifications());
      assertEquals(result.getTargetedNotifications().length, count);

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Examples of mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()

      assertNotNull(result.getTargetedNotifications());
      assertEquals(result.getTargetedNotifications().length, count);


      // Check that the earliest sequence number has changed
      long oldEarliest = result.getEarliestSequenceNumber();
      result = handler.fetchNotifications(result.getNextSequenceNumber(), count + 1, 100);
      if (oldEarliest >= result.getEarliestSequenceNumber()) fail();
   }


   public void testBufferOverflowWhileFetching() throws Exception
   {

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Examples of mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()

      Map environment = new HashMap();
      environment.put(MX4JRemoteConstants.NOTIFICATION_BUFFER_CAPACITY, new Integer(bufferCapacity));
      RemoteNotificationServerHandler handler = new DefaultRemoteNotificationServerHandler(environment);


      // First Fetch
      NotificationResult result = handler.fetchNotifications(-1, bufferCapacity + 1, 100);


      // Add some notifications, but don't fill the buffer
      long count = bufferCapacity - 2;
      NotificationListener listener = handler.getServerNotificationListener();
      Notification notification = new Notification("dummy", this, 0);

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Examples of mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()

      Notification notification = new Notification("dummy", this, 0);
      Integer listenerID = new Integer(1);
      for (int i = 0; i < count; ++i) listener.handleNotification(notification, listenerID);


      // Fetch again
      result = handler.fetchNotifications(result.getNextSequenceNumber(), bufferCapacity + 1, 100);
      assertEquals(result.getEarliestSequenceNumber(), 0);
      assertEquals(result.getNextSequenceNumber(), count);
      assertNotNull(result.getTargetedNotifications());
      assertEquals(result.getTargetedNotifications().length, count);

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Examples of mx4j.remote.RemoteNotificationServerHandler.fetchNotifications()

      int overflow = 7;
      // Note that count == result.getNextSequenceNumber() always yield true at this point (see assertion above),
      // so we actually overflew the buffer by a quantity q == count + overflow (see assertion below).
      long overflowCount = (bufferCapacity - count) + result.getNextSequenceNumber() + overflow;
      for (int i = 0; i < overflowCount; ++i) listener.handleNotification(notification, listenerID);
      result = handler.fetchNotifications(result.getNextSequenceNumber(), bufferCapacity + 1, 100);


      // After algebraic semplification, overflowCount == bufferCapacity + overflow, so
      // the buffer is full, and we fetched all notifications
      assertEquals(count + overflow, result.getEarliestSequenceNumber());
      assertEquals(count + overflow + bufferCapacity, result.getNextSequenceNumber());

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